KiCad EDA Software Suite

Netlister changing ref in sch

Asked by Richard Howlett on 2010-05-12

I'm not sure if this is standard behavior, but I made a symbol, inserted it into the schematic, ran the netlist generator and the ref that once said P7 became #P02 (looks like a power net) When I run CVPCB the part ref does not show up. Any clues to what happened? I would like to know why it happened. The pin were power pins but then I changed them thinking this is what caused the problem to passive pins and no change in behavior (it's like something was cached and wouldn't go away). I replaced the part with a standard lib part and the problem went away. So it's not urgent.

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Wayne Stambaugh (stambaughw) said : #1

I'm going to assume you meant that you created a new component using the library editor when you say "I made a symbol". When you created your component, did you check the "Create component as power symbol" check box in the "Component Properties" dialog? If you did, you created a power symbol not a component. Power symbols are treated differently than standard components which is why your reference designator got changed from P7 to #P02. You should only create a power symbol when adding power sources such as VCC, +5V, GND, VSS, etc. See the library "power.lib" for examples of how to create power components. Power symbols do not show up in CVPCB because they don't have to be assigned a footprint.

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